627401

Appears in sequences

• a(n) = Sum_{k=0..n} C(n-k,4*k).at n=24A005676
• Expansion of o.g.f. (1-x)^5/((1-x)^5 - x^4).at n=20A368475
• a(n) = Sum_{k=0..floor(n/2)} binomial(k,2*(n-2*k)).at n=48A392250